ExoticRx · exoticrx.com/drugs/rifaximin
Xifaxan
Binds bacterial DNA-dependent RNA polymerase inhibiting RNA synthesis. Minimal systemic absorption — acts locally in the gut.
Use for GI infections only. Not effective for systemic infections. C. difficile superinfection possible. Limited veterinary data.
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
Free-tier preview — dog and cat dosing. Pro and Student unlock all 2 species including reptiles, birds, pocket pets, livestock, and equine.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 5–10 mg/kg | q8-12h | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
| Cat (Domestic) | PO | 5–10 mg/kg | q8-12h | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
Upgrade to Pro or Student to access full drug details including mechanism of action, warnings, dose ranges, and frequency.
View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.